CN104748307A - Air conditioning system and control method thereof - Google Patents

Air conditioning system and control method thereof Download PDF

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Publication number
CN104748307A
CN104748307A CN201510141017.3A CN201510141017A CN104748307A CN 104748307 A CN104748307 A CN 104748307A CN 201510141017 A CN201510141017 A CN 201510141017A CN 104748307 A CN104748307 A CN 104748307A
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CN
China
Prior art keywords
valve body
valve
temperature
conditioning system
heat pipe
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201510141017.3A
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Chinese (zh)
Inventor
陈得宗
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Midea Group Co Ltd
Guangdong Midea HVAC Equipment Co Ltd
Original Assignee
Midea Group Co Ltd
Guangdong Midea HVAC Equipment Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Midea Group Co Ltd, Guangdong Midea HVAC Equipment Co Ltd filed Critical Midea Group Co Ltd
Priority to CN201510141017.3A priority Critical patent/CN104748307A/en
Publication of CN104748307A publication Critical patent/CN104748307A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/30Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/70Control systems characterised by their outputs; Constructional details thereof
    • F24F11/80Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F24F11/83Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00Control inputs relating to air properties
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00Control inputs relating to air properties
    • F24F2110/10Temperature
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/62Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63Electronic processing
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/62Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63Electronic processing
    • F24F11/64Electronic processing using pre-stored data
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/70Control systems characterised by their outputs; Constructional details thereof
    • F24F11/80Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F24F11/83Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
    • F24F11/84Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/70Control systems characterised by their outputs; Constructional details thereof
    • F24F11/80Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F24F11/83Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
    • F24F11/85Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using variable-flow pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00Control inputs relating to air properties
    • F24F2110/10Temperature
    • F24F2110/12Temperature of the outside air
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2140/00Control inputs relating to system states
    • F24F2140/20Heat-exchange fluid temperature

Abstract

The invention provides an air conditioning system and a control method thereof. The air conditioning system comprises a compressor, an evaporator, a fluorine pump, a first liquid storage device, a multi-channel heat exchanger, a heat tube condenser, a refrigeration condenser, a second valve, a second throttling device, a first throttling device, a first valve and a temperature control device. A bypass valve is connected to the compressor in parallel. A refrigeration valve and a heat tube valve are arranged at an outlet of the evaporator. The first valve is connected with the first throttling device and the refrigeration condenser. The temperature control device can control opening or closing of the first valve, the refrigeration valve, the heat tube valve, the second valve and the bypass valve and regulate the opening degree of the bypass valve and the flow of the fluorine pump according to environment temperature. According to the air conditioning system, on the premise of meeting the condition that the cold output of the product is matched with heat loads, outdoor natural cold resources can be fully utilized to the maximum degree for a machine room which operates in all seasons, so that energy consumption of the product is lowered, and energy conservation and emission reduction of the product are achieved.

Description

Air-conditioning system and control method thereof
Technical field
The present invention relates to air-conditioning technical field, in particular to a kind of air-conditioning system and control method thereof.
Background technology
Accompanying information industry digital Construction and the intelligentized fast development of household electrical appliances, machine room, the quantity of base station increases sharply, machine room according to statistics, the energy consumption of base station air conditioner accounts for more than 40% of its total energy consumption, because data center's sensible heat load is large, building enclosure is closed, and round-the-clock running throughout the year, in the season of indoor design temperature lower than outside temperature, conventional air-conditioning system cannot utilize outdoor low-temperature receiver, still need to continue to run compression-type refrigerating system, comparatively speaking, which results in unnecessary energy waste, and for air-conditioning system, also there is cold-starting, lubrication, the dependability problems such as energy adjustment, at present, for reducing machine room, the energy resource consumption of base station in temperature control and temperature maintenance, adopt indoor/outdoor temperature-difference low cost transfer heat or provide the method for cold to become the developing direction of the up-to-date proposition of this area for indoor, as the VMC adopted at present, but this device can not guarantee indoor air quality, namely outdoor dust cannot be stopped, moisture etc. enter indoor, thus easily the electronic equipments such as server are caused damage, and although common gas-gas heat-exchange system can ensure the quality of room air, but for thermic load, large and temperature uniformity requires high machine room object, need huge heat exchange area to overcome the low drawback of airair heat exchanger heat transfer efficiency, thus reduce the marketing dynamics of product, be unfavorable for the market competition of product.
Summary of the invention
In order to solve the problems of the technologies described above one of at least, one object of the present invention is to provide one effectively can utilize outdoor cold source, to reduce the air-conditioning system of energy consumption.
Another object of the present invention is to provide a kind of control method for above-mentioned air-conditioning system.
First aspect present invention embodiment provides a kind of air-conditioning system, comprising: compressor, and described compressor has exhaust outlet, point gas port and gas returning port, and described point of gas port is communicated with described gas returning port by the 7th pipeline, and described 7th pipeline arranges by-passing valve, refrigerant condenser, the import of described refrigerant condenser is connected with described exhaust outlet, first throttle device, the entrance of described first throttle device passes through the outlet of the first pipeline and described refrigerant condenser, evaporimeter, the import of described evaporimeter and the outlet of described first throttle device, exported and be communicated with described gas returning port by second pipe, first valve body, described first valve body is on described first pipeline, refrigeration valve block, described refrigeration valve block is arranged on described second pipe, heat pipe condenser, the outlet of the 3rd pipeline and described evaporimeter is passed through in the import of described heat pipe condenser, heat pipe valve body, described heat pipe valve body is arranged on described 3rd pipeline, multi-channel heat exchanger, described multi-channel heat exchanger comprises the first fluid reservoir, evaporation channel and condensation channel, described evaporation channel and described condensation channel are arranged in described first fluid reservoir, the entrance of described condensation channel and the outlet of described heat pipe condenser, the outlet of described evaporation channel is communicated with described gas returning port by the 4th pipeline, fluorine pump, the entrance of described fluorine pump and the outlet of described first fluid reservoir, exported and be connected with the import of described evaporimeter by the 5th pipeline, second throttling arrangement, described second throttling arrangement outlet is communicated with the entrance of described evaporation channel, and import is connected by the import of the 6th pipeline with described first valve body, second valve body, described second valve body is arranged on the 6th pipeline, and attemperating unit, described attemperating unit respectively with described first valve body, described second valve body, described fluorine pump, described refrigeration valve block, described by-passing valve is connected with described heat pipe valve body, described attemperating unit is for the temperature of the environment temperature and described first fluid reservoir internal heat medium that detect described outdoor, and control described first valve body according to the temperature of described environment temperature and described heat transferring medium, described second valve body, described refrigeration valve block, the unlatching of described by-passing valve and described heat pipe valve body or closedown, the start and stop of described fluorine pump, and regulate the power output of the opening degree of described by-passing valve and described fluorine pump.
The air-conditioning system that first aspect present invention embodiment provides, control first valve body is passed through according to the temperature of the environment temperature of outdoor and heat transferring medium by attemperating unit, refrigeration valve block, heat pipe valve body, second valve body and by-passing valve are opened or are closed, and the opening degree of by-passing valve changes heat transferring medium circulation path within air-conditioning systems, and then control the mode of operation of air-conditioning system, make product can work by regulating air-conditioning system the low-temperature receiver made full use of in outdoor environment according to the environment temperature of outdoor under different working modes, thus under the cold meeting air-conditioning system exports the prerequisite adapted with thermic load, reduce the power that air-conditioning system consumes because producing cold, and then achieve the energy-saving and emission-reduction of air-conditioning system.
Particularly, when outdoor environment temperature is far above in machine room during temperature (as summer), attemperating unit controls that the first valve body is opened, refrigeration valve block is opened, heat pipe valve body is closed, the second valve body is closed, by-passing valve cuts out, then the circulation path in air-conditioning system of heat transferring medium is: compressor-refrigerant condenser the-the first valve body-first throttle device-evaporimeter-refrigeration valve block-compressor; Because outdoor environment temperature is far above computer room temperature, make the thermic load amount of air-conditioning system comparatively large, therefore in this programme, attemperating unit control air-conditioning system carry out the compressor loop process of refrigerastion of aforementioned middle routine to produce enough colds to meet the thermic load of air-conditioning system.
When in outdoor environment temperature and machine room, temperature difference is little, namely outdoor environment temperature a little more than, or a little less than in machine room when temperature (as autumn, spring), attemperating unit controls the first valve body and opens, refrigeration valve block is opened, heat pipe valve body is closed, second valve body is closed, by-passing valve is opened, and control to keep suitable opening degree in by-passing valve according to the environment temperature of outdoor, then the circulation path in air-conditioning system of heat transferring medium is: compressor-refrigerant condenser the-the first valve body-first throttle device-evaporimeter-refrigeration valve block-compressor, with compressor-by-passing valve-compressor, because in outdoor environment temperature and machine room, temperature difference is little, comparatively speaking, cold in this process needed for machine room is less, namely the thermic load of air-conditioning system is less, therefore by regulating by-passing valve opening degree to reduce the circulation of heat transferring medium in air-conditioning system, the cold that air-conditioning system is produced is suitable for mutually with the thermic load of air-conditioning system, still carries out operating at full capacity and cause the waste of the energy to avoid air-conditioning system when unnecessary.
When outdoor environment temperature is lower than temperature in machine room, but (as autumn when cannot provide sufficient cold exchange capacity in machine room, spring), attemperating unit controls the first valve body and closes, refrigeration valve block is closed, heat pipe valve body is opened, second valve body is opened, fluorine pump startup, by-passing valve cuts out, then the circulation path in air-conditioning system of heat transferring medium is: fluorine pump-evaporimeter-heat pipe valve body-heat pipe condenser-condensation channel the-the first reservoir-fluorine pump, with compressor-refrigerant condenser-the second valve body the-the second throttling arrangement-evaporation channel-compressor, and the heat transferring medium in evaporation channel and condensation channel carries out heat exchange, in this process, heat in machine room is delivered to after in heat transferring medium through evaporimeter, the natural cooling source of high temperature heat transferring medium in heat pipe condenser and outdoor environment carries out heat exchange, to reduce the temperature of heat transferring medium, but, because the heat transferring medium at this temperature cannot provide enough cold exchange capacities for machine room, so, in this programme, make the heat transferring medium after heat pipe condenser cooling carry out heat exchange with the heat transferring medium after compressor loop freezes, thus reduce the temperature flowing to the heat transferring medium of reservoir further, according to law of conservation of energy, the heat transferring medium flowed out from evaporimeter in this programme is first lowered the temperature through heat pipe condenser, thus under the cold meeting air-conditioning system exports the prerequisite adapted with thermic load, reduce the power that air-conditioning system consumes because producing cold, and then achieve the energy-saving and emission-reduction of air-conditioning system.
When outdoor environment temperature is far below in machine room during temperature (as winter), attemperating unit controls the first valve body closedown, refrigeration valve block is closed, heat pipe valve body is opened, the second valve body is closed, by-passing valve cuts out, fluorine pump startup, and controlling the suitable flow of fluorine pump maintenance according to the environment temperature of outdoor, then the circulation path in air-conditioning system of heat transferring medium is: fluorine pump-evaporimeter-heat pipe valve body-heat pipe condenser-condensation channel the-the first reservoir-fluorine pump; Because outdoor environment temperature is far below computer room temperature, and the cold exchange capacity of abundance can be provided to make to maintain suitable temperature in machine room to machine room, therefore in this programme, make the low-temperature receiver of high temperature heat transferring medium heat pipe condenser and outdoor environment flowed out from evaporimeter carry out heat exchange, to reduce the temperature of heat transferring medium, and the heat transferring medium after cooling is entered in evaporimeter again lower the temperature to machine room, thus under the prerequisite meeting refrigeration demand in machine room, reduce the energy consumption of air-conditioning system significantly.
In addition, along with the temperature in machine room is constantly simple, attemperating unit can control the power output of described fluorine pump according to the temperature of heat transferring medium, avoid the variations in temperature in machine room too fast, the machine situation that causes damage is sent, thus improves the quality of product, and then add the competitiveness of product in market.
In addition, the air-conditioning system in above-described embodiment provided by the invention can also have following additional technical feature:
According to one embodiment of present invention, described attemperating unit comprises: temperature sensor, and described temperature sensor is used for the temperature of environment temperature outside sensing chamber and described first fluid reservoir internal heat medium, and sends temperature signal; And temperature controller, described temperature controller is connected with described temperature sensor, described first valve body, described second valve body, described fluorine pump, described refrigeration valve block, described by-passing valve and described heat pipe valve body respectively, described temperature controller receives described temperature signal, and according to described temperature signal control the unlatching of described first valve body, described second valve body, described fluorine pump, described refrigeration valve block, described by-passing valve and described heat pipe valve body or closedown, described fluorine pump start and stop and regulate the power output of the opening degree of described by-passing valve and described fluorine pump.
According to one embodiment of present invention, described refrigerant condenser is connected with described heat pipe condenser.
According to one embodiment of present invention, air-conditioning system also comprises: the second fluid reservoir, and described second fluid reservoir is arranged on described first pipeline, and between described first valve body and described refrigerant condenser.
According to one embodiment of present invention, described fluorine pump comprises: the pump housing, the Single port of the described pump housing and the inlet communication of described evaporimeter, the outlet of another port and described first fluid reservoir; And flow valve, the Single port of described flow valve is connected with the outlet of described first fluid reservoir, and another port is connected with the Single port of the described pump housing; Wherein, described attemperating unit is communicated with described flow valve, and described attemperating unit controls the opening degree of described flow valve, to control the power output of described fluorine pump.
According to one embodiment of present invention, described 4th pipeline is provided with the first check valve, and the outlet of described first check valve is communicated with described gas returning port, and entrance is communicated with described evaporation tubes; Described 5th pipeline is provided with the second check valve, and described second one-way valved outlet is communicated with described evaporimeter; Import is communicated with the described pump housing.
According to one embodiment of present invention, described refrigerant condenser, described evaporimeter and the equal finned heat exchanger of described heat pipe condenser or parallel-flow heat exchanger.
The embodiment of second aspect present invention provides a kind of control method, for the air-conditioning system described in above-mentioned any one, comprise: detecting step, the temperature of the environment temperature outside temperature control sensor sensing chamber and the first fluid reservoir internal heat medium, and send temperature signal; And rate-determining steps, temperature controller receives temperature signal, and according to described temperature signal control the unlatching of the first valve body, refrigeration valve block, heat pipe valve body, the second valve body and by-passing valve or closedown, fluorine pump start and stop and regulate the power output of the opening degree of described by-passing valve and described fluorine pump.
The air-conditioning system that the control method that second aspect present invention embodiment provides provides for first aspect present invention embodiment, by specifically setting the first preset value to air-conditioning system, second preset value and the 3rd preset value, particularly, set the first preset value and be greater than the second preset value, second preset value is greater than the 3rd preset value, and make machine room operating temperature between the first preset value and the second preset value, and according to the environment temperature of outdoor and the first preset value, second preset value is compared with the 3rd preset value, when the environment temperature of outdoor is higher than the first preset value, air-conditioning system is made to perform above-mentioned middle outdoor environment temperature far above the mode of operation in (as summer) when temperature in machine room, when the environment temperature of outdoor is between the first preset value and the second preset value, make the mode of operation in (as autumn, spring) when temperature difference is little in the air-conditioning system above-mentioned middle outdoor environment temperature of execution and machine room, when the environment temperature of outdoor is between the second preset value and the 3rd preset value, air-conditioning system is made to perform outdoor environment temperature lower than temperature in machine room, but the mode of operation in (as autumn, spring) when sufficient cold exchange capacity cannot be provided in machine room, when the environment temperature of outdoor is lower than the 3rd preset value, air-conditioning system is made to perform above-mentioned middle outdoor environment temperature far below the mode of operation in (as winter) when temperature in machine room, make product can work by regulating air-conditioning system the low-temperature receiver made full use of in outdoor environment according to the environment temperature of outdoor under different working modes, thus under the cold meeting air-conditioning system exports the prerequisite adapted with thermic load, reduce the power that air-conditioning system consumes because producing cold, and then achieve the energy-saving and emission-reduction of air-conditioning system.
According to one embodiment of present invention, rate-determining steps specifically comprises:
Treatment step, temperature signal is converted into temperature value by processing module; With
Calculation step, computing module receives described temperature value, described temperature value is obtained comparison result with the first preset value, the second preset value, the 3rd preset value comparison respectively, and according to described comparing result, control that described first valve body, described refrigeration valve block, described heat pipe valve body and described second valve body are opened or closed, the start and stop of described fluorine pump and regulate the power output of the opening degree of described by-passing valve and described fluorine pump;
Wherein, the first preset value is greater than the second preset value, and the second preset value is greater than the 3rd preset value.
According to one embodiment of present invention, in calculation step;
When temperature value is greater than the first preset value, described first valve body is opened, described refrigeration valve block is opened, described heat pipe valve body is closed, described second valve body is closed, described by-passing valve cuts out;
When temperature value be greater than the second preset value be less than described first default value time, described first valve body is opened, refrigeration valve block is opened, described heat pipe valve body is closed, described second valve body is closed, described by-passing valve is opened, and controlled the opening degree of described by-passing valve according to described temperature value;
When temperature value be greater than the 3rd preset value be less than described second default value time, described first valve body close, described refrigeration valve block close, described heat pipe valve body is opened, described second valve body is opened, described fluorine pump startup, described by-passing valve close;
When temperature value is less than the 3rd preset value, described first valve body is closed, described refrigeration valve block is closed, described heat pipe valve body opens, described second valve body is closed, described by-passing valve cuts out, described fluorine pump startup control the power output of described fluorine pump according to described temperature value.
Additional aspect of the present invention and advantage become obvious by description part below, or are recognized by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the structural representation of air-conditioning system of the present invention;
Fig. 2 is the structural representation of the duty of air-conditioning system first shown in Fig. 1;
Fig. 3 is the structural representation of the duty of air-conditioning system second shown in Fig. 1;
Fig. 4 is the structural representation of air-conditioning system shown in Fig. 1 the 3rd duty;
Fig. 5 is the structural representation of air-conditioning system shown in Fig. 1 the 4th duty.
Wherein, the corresponding relation in Fig. 1 to Fig. 5 between Reference numeral and component names is:
10 compressors, 11 exhaust outlets, 12 gas returning ports, 13 points of gas ports, 20 evaporimeters, 31 pump housings, 32 flow valves, 40 multi-channel heat exchangers, 41 evaporation channels, 42 condensation channels, 43 first fluid reservoirs, 50 second fluid reservoirs, 60 heat pipe condensers, 70 refrigerant condensers, 81 first valve bodies, 82 second valve bodies, 83 first throttle devices, 84 second throttling arrangements, 85 refrigeration valve block, 86 heat pipe valve bodies, 87 by-passing valves, 88 first check valves, 89 second check valves;
Arrow shown in figure is the flow direction of heat transferring medium.
Detailed description of the invention
In order to more clearly understand above-mentioned purpose of the present invention, feature and advantage, below in conjunction with the drawings and specific embodiments, the present invention is further described in detail.It should be noted that, when not conflicting, the feature in the embodiment of the application and embodiment can combine mutually.
Set forth a lot of detail in the following description so that fully understand the present invention; but; the present invention can also adopt other to be different from other modes described here and implement, and therefore, protection scope of the present invention is not by the restriction of following public specific embodiment.
Referring to Fig. 1 to Fig. 5, described according to some embodiments of the invention air-conditioning system is described.
As shown in Fig. 1 to 5, the air-conditioning system that first aspect present invention embodiment provides, comprising: compressor 10, refrigerant condenser 70, first throttle device 83, evaporimeter 20, first valve body 81, refrigeration valve block 85, heat pipe condenser 60, heat pipe valve body 86, multi-channel heat exchanger 40, fluorine pump, the second throttling arrangement 84 second valve body 82 and attemperating unit.
Particularly, compressor 10 has exhaust outlet 11, point gas port 13 and gas returning port 12, and a point gas port 13 is communicated with gas returning port 12 by the 7th pipeline, and the 7th pipeline arranges by-passing valve 87; The import of refrigerant condenser 70 is connected with exhaust outlet 11; The entrance of first throttle device 83 passes through the outlet of the first pipeline and refrigerant condenser 70; The import of evaporimeter 20 and the outlet of first throttle device 83, exported and be communicated with gas returning port 12 by second pipe; First valve body 81 is on the first pipeline; Refrigeration valve block 85 is arranged on second pipe; The outlet of the 3rd pipeline and evaporimeter 20 is passed through in the import of heat pipe condenser 60; Heat pipe valve body 86 is arranged on the 3rd pipeline; Multi-channel heat exchanger 40 comprises the first fluid reservoir 43, evaporation channel 41 and condensation channel 42, evaporation channel 41 and condensation channel 42 are arranged in the first fluid reservoir 43, the entrance of condensation channel 42 and the outlet of heat pipe condenser 60, the outlet of evaporation channel 41 is communicated with gas returning port 12 by the 4th pipeline; The entrance of fluorine pump and the outlet of the first fluid reservoir 43, exported and be connected with the import of evaporimeter 20 by the 5th pipeline; Second throttling arrangement 84 outlet is communicated with the entrance of evaporation channel 41, and import is connected by the import of the 6th pipeline with the first valve body 81; Second valve body 82 is arranged on the 6th pipeline; Attemperating unit is connected with the first valve body 81, second valve body 82, fluorine pump, refrigeration valve block 85, by-passing valve 87 and heat pipe valve body 86 respectively, attemperating unit is used for the temperature of environment temperature outside sensing chamber and the first fluid reservoir 43 internal heat medium, and environmentally the temperature of temperature and heat transferring medium control the unlatching of the first valve body 81, second valve body 82, refrigeration valve block 85, by-passing valve 87 and heat pipe valve body 86 or closedown, fluorine pump start and stop and regulate the opening degree of by-passing valve 87 and the power output of fluorine pump.
The air-conditioning system that first aspect present invention embodiment provides, control first valve body 81 is passed through according to the temperature of the environment temperature of outdoor and heat transferring medium by attemperating unit, refrigeration valve block 85, heat pipe valve body 86, second valve body 82 and by-passing valve 87 are opened or are closed, and the opening degree of by-passing valve 87 changes heat transferring medium circulation path within air-conditioning systems, and then control the mode of operation of air-conditioning system, make product can work by regulating air-conditioning system the low-temperature receiver made full use of in outdoor environment according to the environment temperature of outdoor under different working modes, thus under the cold meeting air-conditioning system exports the prerequisite adapted with thermic load, reduce the power that air-conditioning system consumes because producing cold, and then achieve the energy-saving and emission-reduction of air-conditioning system.
Particularly, as shown in Figure 2, when outdoor environment temperature is far above in machine room during temperature (as summer), attemperating unit controls that the first valve body 81 is opened, refrigeration valve block 85 is opened, heat pipe valve body 86 is closed, the second valve body 82 is closed, by-passing valve 87 cuts out, then the circulation path in air-conditioning system of heat transferring medium is: compressor 10-refrigerant condenser 70-first valve body 81-first throttle device 83-evaporimeter 20-refrigeration valve block 85-compressor 10; Because outdoor environment temperature is far above computer room temperature, make the thermic load amount of air-conditioning system comparatively large, therefore in this programme, attemperating unit control air-conditioning system carry out the compressor 10 circuit refrigeration process of aforementioned middle routine to produce enough colds to meet the thermic load of air-conditioning system.
As shown in Figure 3, when in outdoor environment temperature and machine room, temperature difference is little, namely outdoor environment temperature a little more than, or a little less than in machine room when temperature (as autumn, spring), attemperating unit controls the first valve body 81 and opens, refrigeration valve block 85 is opened, heat pipe valve body 86 is closed, second valve body 82 is closed, by-passing valve 87 is opened, and control to keep suitable opening degree in by-passing valve 87 according to the environment temperature of outdoor, then the circulation path in air-conditioning system of heat transferring medium is: compressor 10-refrigerant condenser 70-first valve body 81-first throttle device 83-evaporimeter 20-refrigeration valve block 85-compressor 10, with compressor 10-by-passing valve 87-compressor 10, because in outdoor environment temperature and machine room, temperature difference is little, comparatively speaking, cold in this process needed for machine room is less, namely the thermic load of air-conditioning system is less, therefore by regulating by-passing valve 87 opening degree to reduce the circulation of heat transferring medium in air-conditioning system, the cold that air-conditioning system is produced is suitable for mutually with the thermic load of air-conditioning system, still carries out operating at full capacity and cause the waste of the energy to avoid air-conditioning system when unnecessary.
As shown in Figure 4, when outdoor environment temperature is lower than temperature in machine room, but (as autumn when cannot provide sufficient cold exchange capacity in machine room, spring), attemperating unit controls the first valve body 81 and closes, refrigeration valve block 85 is closed, heat pipe valve body 86 is opened, second valve body 82 is opened, fluorine pump startup, by-passing valve 87 cuts out, then the circulation path in air-conditioning system of heat transferring medium is: fluorine pump-evaporimeter 20-heat pipe valve body 86-heat pipe condenser 60-condensation channel 42-the first reservoir-fluorine pump, with compressor 10-refrigerant condenser 70-second valve body 82-second throttling arrangement 84-evaporation channel 41-compressor 10, and the heat transferring medium in evaporation channel 41 and condensation channel 42 carries out heat exchange, in this process, heat in machine room is delivered to after in heat transferring medium through evaporimeter 20, the natural cooling source of high temperature heat transferring medium in heat pipe condenser 60 with outdoor environment carries out heat exchange, to reduce the temperature of heat transferring medium, but, because the heat transferring medium at this temperature cannot provide enough cold exchange capacities for machine room, so, in this programme, make the heat transferring medium after heat pipe condenser 60 is lowered the temperature carry out heat exchange with the heat transferring medium after compressor 10 circuit refrigeration, thus reduce the temperature flowing to the heat transferring medium of reservoir further, according to law of conservation of energy, the heat transferring medium flowed out from evaporimeter 20 in this programme is first lowered the temperature through heat pipe condenser 60, thus under the cold meeting air-conditioning system exports the prerequisite adapted with thermic load, reduce the power that air-conditioning system consumes because producing cold, and then achieve the energy-saving and emission-reduction of air-conditioning system.
As shown in Figure 5, when outdoor environment temperature is far below in machine room during temperature (as winter), attemperating unit controls that the first valve body 81 is closed, refrigeration valve block 85 is closed, heat pipe valve body 86 is opened, the second valve body 82 is closed, by-passing valve 87 cuts out, fluorine pump startup, and controlling the suitable flow of fluorine pump maintenance according to the environment temperature of outdoor, then the circulation path in air-conditioning system of heat transferring medium is: fluorine pump-evaporimeter 20-heat pipe valve body 86-heat pipe condenser 60-condensation channel 42-the first reservoir-fluorine pump; Because outdoor environment temperature is far below computer room temperature, and the cold exchange capacity of abundance can be provided to make to maintain suitable temperature in machine room to machine room, therefore in this programme, make the low-temperature receiver of high temperature heat transferring medium heat pipe condenser 60 with outdoor environment flowed out from evaporimeter 20 carry out heat exchange, to reduce the temperature of heat transferring medium, and the heat transferring medium after cooling is entered in evaporimeter 20 again lower the temperature to machine room, thus under the prerequisite meeting refrigeration demand in machine room, reduce the energy consumption of air-conditioning system significantly.
In addition, along with the temperature in machine room is constantly simple, attemperating unit can control the power output of fluorine pump according to the temperature of heat transferring medium, avoid the variations in temperature in machine room too fast, the machine situation that causes damage is sent, thus improves the quality of product, and then add the competitiveness of product in market.
In one embodiment of the invention, attemperating unit comprises: temperature sensor and temperature controller.
Particularly, temperature sensor is used for the temperature of environment temperature outside sensing chamber and the first fluid reservoir 43 internal heat medium, and sends temperature signal; Temperature controller is connected with temperature sensor, the first valve body 81, second valve body 82, fluorine pump, refrigeration valve block 85, by-passing valve 87 and heat pipe valve body 86 respectively, temperature controller receives temperature signal, and according to temperature signal control the unlatching of the first valve body 81, second valve body 82, fluorine pump, refrigeration valve block 85 by-passing valve 87 and heat pipe valve body 86 or closedown, fluorine pump start and stop and regulate the opening degree 87 of by-passing valve and the power output of fluorine pump.
In this embodiment, the temperature signal automatic control air conditioner system that temperature controller transmits according to temperature sensor works under corresponding mode of operation, thus improves the intelligent of product, and then improves the comfort of product.
In one particular embodiment of the present invention, temperature controller comprises: processing module and computing module.
Particularly, processing module receives temperature signal, and temperature signal is converted into temperature value; Computing module is connected with processing module, the first valve body 81, refrigeration valve block 85, heat pipe valve body 86, second valve body 82, by-passing valve 87 and fluorine pump respectively, temperature controller receives temperature value, temperature value and the first preset value, the second preset value, the 3rd preset value comparison are obtained comparison result, and according to comparing result, control the first valve body 81, refrigeration valve block 85, heat pipe valve body 86, second valve body 82 and by-passing valve 87 opens or cuts out, the start and stop of fluorine pump and regulate the opening degree of by-passing valve 87 and flow valve 32.
In this embodiment, by setting the first preset value, the second preset value, the 3rd preset value, and arrange in machine room need maintain operating temperature between the first preset value and the second preset value, can the first preset value, the second preset value, the 3rd preset value be reference, control air-conditioning system according to the environment temperature of outdoor and work under corresponding mode of operation.
Particularly, in the present invention first specific embodiment, as shown in Figure 2, when temperature sensor detects outdoor environment temperature higher than the first preset value, attemperating unit controls that the first valve body 81 is opened, refrigeration valve block 85 is opened, heat pipe valve body 86 is closed, the second valve body 82 is closed, by-passing valve 87 cuts out, then the circulation path in air-conditioning system of heat transferring medium is: compressor 10-refrigerant condenser 70-first valve body 81-first throttle device 83-evaporimeter 20-refrigeration valve block 85-compressor 10; Because outdoor environment temperature is higher than the first preset value, thermal load of air-conditioning system corresponding in this situation is comparatively large, therefore in this programme, attemperating unit control air-conditioning system carries out the compressor 10 circuit refrigeration process of aforementioned middle routine to produce enough colds to meet the thermic load of air-conditioning system.
In the present invention second specific embodiment, as shown in Figure 3, when temperature sensor detects that outdoor environment temperature is higher than the second preset value, and during lower than the first preset value, owing to needing the operating temperature maintained in machine room between the first preset value and the second preset value, then correspondingly, in outdoor environment temperature and machine room, temperature difference is little, now, attemperating unit controls the first valve body 81 and opens, refrigeration valve block 85 is opened, heat pipe valve body 86 is closed, second valve body 82 is closed, by-passing valve 87 is opened, and control to keep suitable opening degree in by-passing valve 87 according to the environment temperature of outdoor, then the circulation path in air-conditioning system of heat transferring medium is: compressor 10-refrigerant condenser 70-first valve body 81-first throttle device 83-evaporimeter 20-refrigeration valve block 85-compressor 10, with compressor 10-by-passing valve 87-compressor 10, because in outdoor environment temperature and machine room, temperature difference is little, comparatively speaking, cold in this process needed for machine room is less, namely the thermic load of air-conditioning system is less, therefore by regulating by-passing valve 87 opening degree to reduce the circulation of heat transferring medium in air-conditioning system, the cold that air-conditioning system is produced is suitable for mutually with the thermic load of air-conditioning system, still carries out operating at full capacity and cause the waste of the energy to avoid air-conditioning system when unnecessary.
In the present invention the 3rd specific embodiment, as shown in Figure 4, when temperature sensor detects that outdoor environment temperature is higher than the 3rd preset value, and during lower than the second preset value, owing to being only not enough to by the cold of heat transferring medium release after the cold source cool-down in outdoor environment the thermic load meeting air-conditioning system in this situation, then in this programme, attemperating unit controls the first valve body 81 and closes, refrigeration valve block 85 is closed, heat pipe valve body 86 is opened, second valve body 82 is opened, by-passing valve 87 cuts out, then the circulation path in air-conditioning system of heat transferring medium is: fluorine pump-check valve 98-evaporimeter 20-heat pipe valve body 86-heat pipe condenser 60-condensation channel 42-first reservoir 50-fluorine pump, with compressor 10-refrigerant condenser 70-second valve body 82-second throttling arrangement 84-evaporation channel 41-compressor 10, and the heat transferring medium in evaporation channel 41 and condensation channel 42 carries out heat exchange, in this process, heat in machine room is delivered to after in heat transferring medium through evaporimeter 20, the natural cooling source of high temperature heat transferring medium in heat pipe condenser 60 with outdoor environment carries out heat exchange, to reduce the temperature of heat transferring medium, but, because the heat transferring medium at this temperature cannot provide enough cold exchange capacities for machine room, so, in this programme, make the heat transferring medium after heat pipe condenser 60 is lowered the temperature carry out heat exchange with the heat transferring medium after compressor 10 circuit refrigeration, thus reduce the temperature flowing to the heat transferring medium of reservoir 50 further, according to law of conservation of energy, the heat transferring medium flowed out from evaporimeter 20 in this programme is first lowered the temperature through heat pipe condenser 60, thus under the cold meeting air-conditioning system exports the prerequisite adapted with thermic load, reduce the power that air-conditioning system consumes because producing cold, and then achieve the energy-saving and emission-reduction of air-conditioning system.
In the present invention the 4th specific embodiment, as shown in Figure 5, when temperature sensor detects outdoor environment temperature lower than the 3rd preset value, because this situation only can meet the thermic load of air-conditioning system by the cold of heat transferring medium release after the cold source cool-down in outdoor environment, then in this programme, attemperating unit controls the first valve body 81 and closes, refrigeration valve block 85 is closed, heat pipe valve body 86 is opened, second valve body 82 is closed, by-passing valve 87 cuts out, fluorine pump startup, and control the suitable flow of fluorine pump maintenance according to the environment temperature of outdoor, then the circulation path in air-conditioning system of heat transferring medium is: fluorine pump-check valve 98-evaporimeter 20-heat pipe valve body 86-heat pipe condenser 60-condensation channel 42-first reservoir 50-fluorine pump, because outdoor environment temperature is far below computer room temperature, and the cold exchange capacity of abundance can be provided to make to maintain suitable temperature in machine room to machine room, therefore in this programme, make the low-temperature receiver of high temperature heat transferring medium heat pipe condenser 60 with outdoor environment flowed out from evaporimeter 20 carry out heat exchange, to reduce the temperature of heat transferring medium, and the heat transferring medium after cooling is entered in evaporimeter 20 again lower the temperature to machine room, thus under the prerequisite meeting refrigeration demand in machine room, reduce the energy consumption of air-conditioning system significantly.
In one embodiment of the invention, as shown in Figure 1, refrigerant condenser 70 is connected with heat pipe condenser 60.
In this embodiment, refrigerant condenser 70 is connected with heat pipe condenser 60, improve the heat exchange efficiency of product on the one hand, improve the performance of the entirety of product, thus the use that improve product is comfortable, and then add the competitiveness of product in market, effectively can reduce the size of product on the other hand, thus improve air-conditioner usage space, expand the scope of application in market, and then improve the competitiveness of product in market, simultaneously, the structure of heat exchanger is simple, production and processing is easy to manufacture, thus improve the production efficiency of product, reduce the manufacturing cost of product
In one embodiment of the invention, air-conditioning system also comprises: the second fluid reservoir 50, second fluid reservoir 50 is arranged on the first pipeline, and between the first valve body 81 and refrigerant condenser 70.
In this embodiment, second fluid reservoir 50 can be the multifunctional accumulator having both cold-storage, excessively cold, liquid storage and separation function, to make the second fluid reservoir 50 herein except using as liquid storage object, the fluid that also can flow out refrigerant condenser 70 carries out oil and is separated, to carry out recycling to the oil mixed in fluid.
In one embodiment of the invention, fluorine pump comprises: the pump housing 31 and flow valve 32.
Particularly, the Single port of the pump housing 31 and the inlet communication of evaporimeter 20, the outlet of another port and the first fluid reservoir 43; The Single port of flow valve 32 is connected with the outlet of the first fluid reservoir 43, and another port is connected with the Single port of the pump housing 31; Wherein, attemperating unit is communicated with flow valve 32, and attemperating unit controls the opening degree of flow valve 32, to control the power output of fluorine pump.
In this embodiment, the flow of fluorine pump is controlled by flow valve 32, and then the circulation of heat transferring medium in control piper, when outdoor environment temperature is far below temperature in machine room, and the heat transferring medium after heat pipe condenser 60 is lowered the temperature, enter release after evaporimeter 20 energy can far above thermal load of air-conditioning system when, suitably can reduce the aperture of flow valve 32 to reduce the circulation of heat transferring medium in pipeline, thus the driving power in reduction pipeline, and then reduce further the energy consumption of air-conditioning system.
In one embodiment of the invention, the outlet the 4th pipeline being provided with the first check valve 88, first check valve 88 is communicated with gas returning port 12, and entrance is communicated with evaporation tubes; 5th pipeline is provided with the second check valve 89, second check valve 89 outlet to be communicated with evaporimeter 20; Import is communicated with the pump housing 31.
In this embodiment, the first check valve 88 and the second check valve 89, ensure that flowing to of the heat transferring medium in system is single, thus ensure that the reliability of system, and then improve the quality of product, add the competitiveness of product in market.
In one embodiment of the invention, refrigerant condenser 70, evaporimeter 20 and heat pipe condenser 60 all finned heat exchanger or parallel-flow heat exchangers.
In this embodiment, because the heat exchange area of finned heat exchanger is large, heat exchange efficiency is high, therefore under the prerequisite that heat exchange amount is certain, the volume of finned heat exchanger other heat exchange and Yan Geng little relatively, thus correspondingly reduce the volume of product, reduce the cost of product.
Certainly, the type selecting of heat pipe condenser 60, refrigerant condenser 70 and evaporimeter 20 can have kinds of schemes, and such as shell and tube exchanger, double pipe heat exchanger or plate type heat exchanger etc., do not enumerate herein, but all should in protection scope of the present invention.
The control method that the embodiment of second aspect present invention provides, for the air-conditioning system of above-mentioned any one, comprising:
Detecting step, the temperature of the environment temperature outside temperature control sensor sensing chamber and the first fluid reservoir internal heat medium, and send temperature signal;
Rate-determining steps, temperature controller receives temperature signal, and according to temperature signal control the unlatching of the first valve body, refrigeration valve block, heat pipe valve body, the second valve body and by-passing valve or closedown, fluorine pump start and stop and regulate the opening degree of by-passing valve and the power output of fluorine pump.
In one embodiment of the invention, rate-determining steps specifically comprises:
Treatment step, temperature signal is converted into temperature value by processing module;
Calculation step, computing module receives temperature value, temperature value is obtained comparison result with the first preset value, the second preset value, the 3rd preset value comparison respectively, and according to comparing result, control that the first valve body, refrigeration valve block, heat pipe valve body and the second valve body are opened or closed, the start and stop of fluorine pump and regulate the opening degree of by-passing valve and the power output of fluorine pump;
Wherein, the first preset value is greater than the second preset value, and the second preset value is greater than the 3rd preset value.
In one embodiment of the invention, in calculation step;
When temperature value is greater than the first preset value, the first valve body is opened, refrigeration valve block is opened, heat pipe valve body is closed, the second valve body is closed, by-passing valve cuts out;
When temperature value be greater than the second preset value be less than the first default value time, the first valve body is opened, refrigeration valve block is opened, heat pipe valve body is closed, the second valve body is closed, by-passing valve opens, and controls the opening degree of by-passing valve according to temperature value;
When temperature value be greater than the 3rd preset value be less than the second default value time, first valve body close, refrigeration valve block close, heat pipe valve body is opened, the second valve body is opened, fluorine pump startup, by-passing valve close;
When temperature value is less than the 3rd preset value, the first valve body is closed, refrigeration valve block is closed, heat pipe valve body opens, the second valve body is closed, by-passing valve cuts out, fluorine pump startup control the power output of fluorine pump according to temperature value.
The air-conditioning system that the control method that second aspect present invention embodiment provides provides for first aspect present invention embodiment, by specifically setting the first preset value to air-conditioning system, second preset value and the 3rd preset value, particularly, set the first preset value and be greater than the second preset value, second preset value is greater than the 3rd preset value, and make machine room operating temperature between the first preset value and the second preset value, and according to the environment temperature of outdoor and the first preset value, second preset value is compared with the 3rd preset value, when the environment temperature of outdoor is higher than the first preset value, air-conditioning system is made to perform above-mentioned middle outdoor environment temperature far above the mode of operation in (as summer) when temperature in machine room, when the environment temperature of outdoor is between the first preset value and the second preset value, make the mode of operation in (as autumn, spring) when temperature difference is little in the air-conditioning system above-mentioned middle outdoor environment temperature of execution and machine room, when the environment temperature of outdoor is between the second preset value and the 3rd preset value, air-conditioning system is made to perform outdoor environment temperature lower than temperature in machine room, but the mode of operation in (as autumn, spring) when sufficient cold exchange capacity cannot be provided in machine room, when the environment temperature of outdoor is lower than the 3rd preset value, air-conditioning system is made to perform above-mentioned middle outdoor environment temperature far below the mode of operation in (as winter) when temperature in machine room, make product can work by regulating air-conditioning system the low-temperature receiver made full use of in outdoor environment according to the environment temperature of outdoor under different working modes, thus under the cold meeting air-conditioning system exports the prerequisite adapted with thermic load, reduce the power that air-conditioning system consumes because producing cold, and then achieve the energy-saving and emission-reduction of air-conditioning system.
In sum, air-conditioning system provided by the invention, control first valve body is passed through according to the environment temperature of outdoor by attemperating unit, refrigeration valve block, heat pipe valve body, second valve body and by-passing valve are opened or are closed, and the opening degree of by-passing valve changes heat transferring medium circulation path within air-conditioning systems, and then control the mode of operation of air-conditioning system, make product can work by regulating air-conditioning system the low-temperature receiver made full use of in outdoor environment according to the environment temperature of outdoor under different working modes, thus under the cold meeting air-conditioning system exports the prerequisite adapted with thermic load, reduce the power that air-conditioning system consumes because producing cold, and then achieve the energy-saving and emission-reduction of air-conditioning system.
In the present invention, term " first ", " second ", " the 3rd ", " the 4th ", " the 5th ", " the 6th " object only for describing, and instruction or hint relative importance can not be interpreted as; Term " multiple " then refers to two or more, unless otherwise clear and definite restriction.The term such as term " installation ", " being connected ", " connection ", " fixing " all should be interpreted broadly, and such as, " connection " can be fixedly connected with, and also can be removably connect, or connects integratedly; " being connected " can be directly be connected, and also indirectly can be connected by intermediary.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the description of this description, specific features, structure, material or feature that the description of term " embodiment ", " some embodiments ", " specific embodiment " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (10)

1. an air-conditioning system, is characterized in that, comprising:
Compressor, described compressor has exhaust outlet, point gas port and gas returning port, and described point of gas port is communicated with described gas returning port by the 7th pipeline, and described 7th pipeline arranges by-passing valve;
Refrigerant condenser, the import of described refrigerant condenser is connected with described exhaust outlet;
First throttle device, the entrance of described first throttle device passes through the outlet of the first pipeline and described refrigerant condenser;
Evaporimeter, the import of described evaporimeter and the outlet of described first throttle device, exported and be communicated with described gas returning port by second pipe;
First valve body, described first valve body is on described first pipeline;
Refrigeration valve block, described refrigeration valve block is arranged on described second pipe;
Heat pipe condenser, the outlet of the 3rd pipeline and described evaporimeter is passed through in the import of described heat pipe condenser;
Heat pipe valve body, described heat pipe valve body is arranged on described 3rd pipeline;
Multi-channel heat exchanger, described multi-channel heat exchanger comprises the first fluid reservoir, evaporation channel and condensation channel, described evaporation channel and described condensation channel are arranged in described first fluid reservoir, the entrance of described condensation channel and the outlet of described heat pipe condenser, the outlet of described evaporation channel is communicated with described gas returning port by the 4th pipeline;
Fluorine pump, the entrance of described fluorine pump and the outlet of described first fluid reservoir, exported and be connected with the import of described evaporimeter by the 5th pipeline;
Second throttling arrangement, described second throttling arrangement outlet is communicated with the entrance of described evaporation channel, and import is connected by the import of the 6th pipeline with described first valve body;
Second valve body, described second valve body is arranged on the 6th pipeline; With
Attemperating unit, described attemperating unit respectively with described first valve body, described second valve body, described fluorine pump, described refrigeration valve block, described by-passing valve is connected with described heat pipe valve body, described attemperating unit is for the temperature of the environment temperature and described first fluid reservoir internal heat medium that detect described outdoor, and control described first valve body according to the temperature of described environment temperature and described heat transferring medium, described second valve body, described refrigeration valve block, the unlatching of described by-passing valve and described heat pipe valve body or closedown, the start and stop of described fluorine pump, and regulate the power output of the opening degree of described by-passing valve and described fluorine pump.
2. air-conditioning system according to claim 1, is characterized in that, described attemperating unit comprises:
Temperature sensor, described temperature sensor is used for the temperature of environment temperature outside sensing chamber and described first fluid reservoir internal heat medium, and sends temperature signal; With
Temperature controller, described temperature controller is connected with described temperature sensor, described first valve body, described second valve body, described fluorine pump, described refrigeration valve block, described by-passing valve and described heat pipe valve body respectively, described temperature controller receives described temperature signal, and according to described temperature signal control the unlatching of described first valve body, described second valve body, described fluorine pump, described refrigeration valve block, described by-passing valve and described heat pipe valve body or closedown, described fluorine pump start and stop and regulate the power output of the opening degree of described by-passing valve and described fluorine pump.
3. air-conditioning system according to claim 1, is characterized in that,
Described refrigerant condenser is connected with described heat pipe condenser.
4. air-conditioning system according to any one of claim 1 to 3, is characterized in that, also comprises:
Second fluid reservoir, described second fluid reservoir is arranged on described first pipeline, and between described first valve body and described refrigerant condenser.
5. air-conditioning system according to claim 4, is characterized in that, described fluorine pump comprises:
The pump housing, the Single port of the described pump housing and the inlet communication of described evaporimeter, the outlet of another port and described first fluid reservoir; With
Flow valve, the Single port of described flow valve is connected with the outlet of described first fluid reservoir, and another port is connected with the Single port of the described pump housing;
Wherein, described attemperating unit is communicated with described flow valve, and described attemperating unit controls the opening degree of described flow valve, to control the power output of described fluorine pump.
6. air-conditioning system according to claim 5, is characterized in that,
Described 4th pipeline is provided with the first check valve, and the outlet of described first check valve is communicated with described gas returning port, and entrance is communicated with described evaporation tubes;
Described 5th pipeline is provided with the second check valve, and described second one-way valved outlet is communicated with described evaporimeter; Import is communicated with the described pump housing.
7. air-conditioning system according to claim 6, is characterized in that,
Described refrigerant condenser, described evaporimeter and the equal finned heat exchanger of described heat pipe condenser or parallel-flow heat exchanger.
8. a control method, for the air-conditioning system such as according to any one of claim 1 to 7, is characterized in that, comprising:
Detecting step, the temperature of the environment temperature outside temperature control sensor sensing chamber and the first fluid reservoir internal heat medium, and send temperature signal;
Rate-determining steps, temperature controller receives temperature signal, and according to described temperature signal control the unlatching of the first valve body, refrigeration valve block, heat pipe valve body, the second valve body and by-passing valve or closedown, fluorine pump start and stop and regulate the power output of the opening degree of described by-passing valve and described fluorine pump.
9. control method according to claim 7, is characterized in that, rate-determining steps specifically comprises:
Treatment step, temperature signal is converted into temperature value by processing module;
Calculation step, computing module receives described temperature value, described temperature value is obtained comparison result with the first preset value, the second preset value, the 3rd preset value comparison respectively, and according to described comparing result, control that described first valve body, described refrigeration valve block, described heat pipe valve body and described second valve body are opened or closed, the start and stop of described fluorine pump and regulate the power output of the opening degree of described by-passing valve and described fluorine pump;
Wherein, the first preset value is greater than the second preset value, and the second preset value is greater than the 3rd preset value.
10. control method according to claim 8, is characterized in that, in calculation step;
When temperature value is greater than the first preset value, described first valve body is opened, described refrigeration valve block is opened, described heat pipe valve body is closed, described second valve body is closed, described by-passing valve cuts out;
When temperature value be greater than the second preset value be less than described first default value time, described first valve body is opened, refrigeration valve block is opened, described heat pipe valve body is closed, described second valve body is closed, described by-passing valve is opened, and controlled the opening degree of described by-passing valve according to described temperature value;
When temperature value be greater than the 3rd preset value be less than described second default value time, described first valve body close, described refrigeration valve block close, described heat pipe valve body is opened, described second valve body is opened, described fluorine pump startup, described by-passing valve close;
When temperature value is less than the 3rd preset value, described first valve body is closed, described refrigeration valve block is closed, described heat pipe valve body opens, described second valve body is closed, described by-passing valve cuts out, described fluorine pump startup control the power output of described fluorine pump according to described temperature value.
CN201510141017.3A 2015-03-27 2015-03-27 Air conditioning system and control method thereof Pending CN104748307A (en)

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Publication number Priority date Publication date Assignee Title
CN112556115A (en) * 2020-12-04 2021-03-26 珠海格力电器股份有限公司 Method, device and system for temperature control and computer readable storage medium

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Application publication date: 20150701